JP2002155989A

JP2002155989A - Base isolation device

Info

Publication number: JP2002155989A
Application number: JP2000391627A
Authority: JP
Inventors: Hisayoshi Kaneko; 久義金子
Original assignee: M & A Kk Off; Office M & A Kk
Current assignee: M & A Kk Off; Office M & A Kk
Priority date: 2000-11-16
Filing date: 2000-11-16
Publication date: 2002-05-31

Abstract

PROBLEM TO BE SOLVED: To provide a base isolation device capable of responding to prevention of a structure from falling because of a quake in all directions. SOLUTION: A convex surface of an upper part unit 1U slides and moves on a curved surface along a concave surface of a lower part unit 2U, where the surfaces are formed of two convex and concave surfaces having two different curvatures. At that time, deformation of a gravity position of an upper part load generated when the convex surface moves on the concave surface generates force in a lower direction. When each damping material of the lower unit reacts to the generated force in the lower direction, a projection of the lower part unit slides and moves in the lower direction (in the upper direction on an opposite side) in a groove of a container for moving longitudinally at the same time. At that time, reaction force is generated in each of the damping material. That is, each of the damping material of the lower part unit generates both of compression and tension effects to generated restoring force to return the upper part unit to an original point and securely restore load gravity to the original point.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術的分野】本発明は、TECHNICAL FIELD [0001] The present invention relates to

【図２】に示す、凹凸２種類の異なる曲率曲面で構成さ
れるユニットで、支えるべき構造体を「揺れ」による転
倒崩壊から防ぐ装置。FIG. 2 shows a unit composed of two types of curved surfaces having two types of irregularities, for preventing a structure to be supported from being overturned and collapsed by “swaying”.

【０００２】[0002]

【従来の技術】従来の免震方式は、「水平方向の移動」
又は「垂直方向の移動」に対する免震装置が主流で、
「曲面上の移動」を解決する方式として取り入れた免震
装置は見かけられない。2. Description of the Related Art The conventional seismic isolation method is called "horizontal movement".
Or seismic isolation devices for "vertical movement" are mainstream,
No seismic isolation device has been adopted to solve the problem of "moving on a curved surface."

【０００３】[0003]

【発明が解決しようとする課題】「揺れ」へのスムーズ
な免震性能を発揮させるため、曲面上を移動する重心の
位置を３軸（Ｘ，Ｙ，Ｚ）方向で自動調整できると共
に、原点への復元力を生み出し、発揮させる事にある。In order to exhibit a smooth seismic isolation performance against "shaking", the position of the center of gravity moving on a curved surface can be automatically adjusted in three axes (X, Y, Z) directions, and the origin can be adjusted. It is to create and demonstrate the resilience to

【０００４】[0004]

【課題を解決するための手段】解決には、[Means for solving the problems]

【図１】（１）、（２）、（３）の３部分の対策によ
る。（１）は装置を基礎（主体構造物）などに固定し、内部
の装置を守り、上部構造物が固定される上部ユニットの
脱落を防ぐ仕組みと容器。（２）は全方位の横揺れに対し、上部凸曲面ユニットが
異なる曲率凹曲面の下部ユニット面上を滑移動して揺れ
に対応する。この時、（３）部分に下方向への力が発生する。発生した下方向への力に対し、下部ユニットの各緩衝材
が圧縮・引張の両作用で反応する。即ち、容器縦方向移
動用の溝内を下部ユニットの突起が下方向（反対側は上
方向）に滑移動する事によって、各緩衝材に反力が生
じ、復元力を発生させ上部ユニットを原点に復帰させ
る。FIG. 1 is based on three measures of (1), (2) and (3). (1) A mechanism and container that fixes the device to the foundation (main structure), protects the internal device, and prevents the upper unit to which the upper structure is fixed from falling off. (2) responds to the sway of the omnidirectional roll by the upper convex curved unit sliding on the lower unit surface having a different concave curved surface. At this time, a downward force is generated in the portion (3). Each cushioning material of the lower unit responds to the generated downward force by both compression and tension. That is, when the projection of the lower unit slides downward (upward on the opposite side) in the groove for vertical movement of the container, a reaction force is generated in each cushioning material, generating a restoring force and causing the upper unit to move to the origin. To return to.

【０００５】[0005]

【発明実施の形態】DETAILED DESCRIPTION OF THE INVENTION

【図４】上部ユニット１Ｕ−１がFIG. 4 shows an upper unit 1U-1

【図５】下部ユニット２Ｕ−１の曲面に沿って下部ユニ
ットの曲面上５を滑移動する。この時、下方向への力
が発生する。発生した下方への力に対し、下部ユニット
の緩衝材７が反応する。即ち、容器の縦方向移動用の
溝内６を下部ユニットの突起９が下方（反対側は上
方）に滑移動する事によって、各緩衝材に圧縮・引張の
反力が生じ、一時的な腰溜と共に複合的な復元力を発生
させる。振動終了後、上部ユニットの突起４が下部ユニ
ットの溝３を滑移動して原点に戻る。その他、上部構造
物の規模に合わせて、上下各ユニット曲率曲面の設定、
材質の設定（強度・滑性・耐候性）、並びに、下部ユニ
ット緩衝材復元力（強度・材質・方式）を勘案すれば、
突起４並びに溝３が無くても、荷重重心を確実に原点へ
復帰させる事も可能である。FIG. 5 slides on the curved surface 5 of the lower unit along the curved surface of the lower unit 2U-1. At this time, a downward force is generated. The cushioning material 7 of the lower unit reacts to the generated downward force. That is, when the projection 9 of the lower unit slides downward (upward on the opposite side) in the groove 6 for vertical movement of the container, a reaction force of compression and tension is generated in each cushioning material, and a temporary lowering A combined restoring force is generated with the reservoir. After the vibration, the protrusion 4 of the upper unit slides along the groove 3 of the lower unit and returns to the origin. In addition, according to the scale of the upper structure, setting of the upper and lower unit curvature surface,
Considering the material setting (strength, lubricity, weather resistance) and the lower unit cushioning material restoring force (strength, material, method),
Even without the protrusions 4 and the grooves 3, the load center of gravity can be reliably returned to the origin.

【０００６】[0006]

【発明の効果】曲面上と縦方向の混合滑移動方式は、３
軸（Ｘ，Ｙ，Ｚ）上の微妙な複合的重心移動で、「ねじ
れ」等の複雑な振動にも有効である。「活魚・危険物・
精密機械の運搬車両」、「車両用椅子」、「免震装置を
要求される機器」等、要求課題への対応によって、広範
囲で多様な用途に応用可能である。As described above, the mixed sliding movement on the curved surface and in the vertical direction has three
It is a subtle complex movement of the center of gravity on the axis (X, Y, Z), and is also effective for complicated vibration such as "torsion". "Live fish, dangerous goods,
It can be applied to a wide variety of applications by responding to the required issues such as "delivery vehicles for precision machines", "vehicle chairs", and "equipment requiring seismic isolation devices".

【図面の簡単な説明】[Brief description of the drawings]

【図１】問題を解決した部分の位置図である。FIG. 1 is a position diagram of a portion where a problem is solved.

【図２】装置の構成を示した断面図である。FIG. 2 is a cross-sectional view showing the configuration of the device.

【図３】容器上部の詳細図である。FIG. 3 is a detailed view of the upper part of the container.

【図４】上部ユニットの詳細図である。FIG. 4 is a detailed view of an upper unit.

【図５】下部ユニットの詳細図である。FIG. 5 is a detailed view of a lower unit.

【符号の説明】[Explanation of symbols]

１装置の容器１Ｕ−１
上部ユニット２上部構造体用の接続ピース２Ｕ−１
下部ユニット３下部ユニット定点復帰用の溝４上部ユニット定点復帰用の突起５下部ユニット曲面部６縦方向スライド用溝８飛び出し防止
アンカー用突起部７縦方向用の緩衝材（ばね）９縦方向スライ
ド曲面部材1 Container of equipment 1U-1
Upper unit 2 Connection piece 2U-1 for upper structure
Lower unit 3 Lower unit fixed point return groove 4 Upper unit fixed point return protrusion 5 Lower unit curved surface 6 Vertical slide groove 8 Projection prevention anchor protrusion 7 Vertical cushioning material (spring) 9 Vertical slide Curved surface member

Claims

【特許請求の範囲】[Claims]

【請求項１】異なる２種類の曲率をもった凹凸２曲面で
構成され、凸曲面が凹曲面上を移動する際に生じる上部
荷重の重心位置の変位を、３軸（Ｘ，Ｙ，Ｚ座標軸）方
向で自動調整できると共に、復元力を発生させ、上部構
造物の荷重重心を原点へ復帰する仕組みを持つ、全方位
の「揺れ」から構造物の転倒防止に対応できる免震装
置。1. A displacement of a center of gravity of an upper load generated when a convex curved surface moves on a concave curved surface, which is constituted by two concave / convex two curved surfaces having two different types of curvatures, is represented by three axes (X, Y, Z coordinate axes). ) A seismic isolation device that can automatically adjust the direction and generate a restoring force to return the load center of gravity of the upper structure to the origin.